/**
 *  Copyright (C) 2010 Travis Brown
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.scalaq.q.covariance

class C
class D extends C

class E[+A](val thing: A)

object S01 {
  def main(args: Array[String]) {
    // The covariance annotation on E allows us to treat an E[D] as an E[C].
    val e: E[C] = new E[D](new D)
  }
}

